1 files changed, 112 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/i386/memset-pr120683-16.c b/gcc/testsuite/gcc.target/i386/memset-pr120683-16.c
new file mode 100644
index 0000000..539714c
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/memset-pr120683-16.c
@@ -0,0 +1,112 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -march=x86-64-v4 -fasynchronous-unwind-tables -fdwarf2-cfi-asm -mmemset-strategy=vector_loop:256:noalign,libcall:-1:noalign -minline-all-stringops" } */
+/* Keep labels and directives ('.cfi_startproc', '.cfi_endproc').  */
+/* { dg-final { check-function-bodies "**" "" "" { target lp64 } {^\t?\.} } } */
+
+/*
+**foo:
+**.LFB0:
+**	.cfi_startproc
+**	vpxor	%xmm0, %xmm0, %xmm0
+**	cmpq	\$256, %rsi
+**	jnb	.L2
+**	testb	\$-128, %sil
+**	jne	.L23
+**	testb	\$64, %sil
+**	jne	.L24
+**	testb	\$32, %sil
+**	jne	.L25
+**	testb	\$16, %sil
+**	jne	.L26
+**	testb	\$8, %sil
+**	jne	.L27
+**	testb	\$4, %sil
+**	jne	.L28
+**	testq	%rsi, %rsi
+**	jne	.L29
+**.L21:
+**	ret
+**	.p2align 4,,10
+**	.p2align 3
+**.L2:
+**	vmovdqu64	%zmm0, -256\(%rdi,%rsi\)
+**	vmovdqu64	%zmm0, -192\(%rdi,%rsi\)
+**	vmovdqu64	%zmm0, -128\(%rdi,%rsi\)
+**	vmovdqu64	%zmm0, -64\(%rdi,%rsi\)
+**	subq	\$1, %rsi
+**	cmpq	\$256, %rsi
+**	jb	.L20
+**	xorb	%sil, %sil
+**	xorl	%eax, %eax
+**.L11:
+**	vmovdqu64	%zmm0, \(%rdi,%rax\)
+**	vmovdqu64	%zmm0, 64\(%rdi,%rax\)
+**	vmovdqu64	%zmm0, 128\(%rdi,%rax\)
+**	vmovdqu64	%zmm0, 192\(%rdi,%rax\)
+**	addq	\$256, %rax
+**	cmpq	%rsi, %rax
+**	jb	.L11
+**.L20:
+**	vzeroupper
+**	ret
+**	.p2align 4,,10
+**	.p2align 3
+**.L29:
+**	movb	\$0, \(%rdi\)
+**	testb	\$2, %sil
+**	je	.L21
+**	xorl	%eax, %eax
+**	movw	%ax, -2\(%rdi,%rsi\)
+**	ret
+**	.p2align 4,,10
+**	.p2align 3
+**.L23:
+**	vmovdqu64	%zmm0, \(%rdi\)
+**	vmovdqu64	%zmm0, 64\(%rdi\)
+**	vmovdqu64	%zmm0, -128\(%rdi,%rsi\)
+**	vmovdqu64	%zmm0, -64\(%rdi,%rsi\)
+**	vzeroupper
+**	ret
+**	.p2align 4,,10
+**	.p2align 3
+**.L24:
+**	vmovdqu64	%zmm0, \(%rdi\)
+**	vmovdqu64	%zmm0, -64\(%rdi,%rsi\)
+**	vzeroupper
+**	ret
+**	.p2align 4,,10
+**	.p2align 3
+**.L25:
+**	vmovdqu	%ymm0, \(%rdi\)
+**	vmovdqu	%ymm0, -32\(%rdi,%rsi\)
+**	vzeroupper
+**	ret
+**	.p2align 4,,10
+**	.p2align 3
+**.L26:
+**	vmovdqu	%xmm0, \(%rdi\)
+**	vmovdqu	%xmm0, -16\(%rdi,%rsi\)
+**	ret
+**	.p2align 4,,10
+**	.p2align 3
+**.L27:
+**	movq	\$0, \(%rdi\)
+**	movq	\$0, -8\(%rdi,%rsi\)
+**	ret
+**	.p2align 4,,10
+**	.p2align 3
+**.L28:
+**	movl	\$0, \(%rdi\)
+**	movl	\$0, -4\(%rdi,%rsi\)
+**	ret
+**	.cfi_endproc
+**...
+*/
+
+void
+foo (char *dest, __SIZE_TYPE__ n)
+{
+  __builtin_memset (dest, 0, n);
+}
+
+/* { dg-final { scan-assembler-not "rep stos" } } */